package com.wits.qso.web.controller;

import java.util.Arrays;
import java.util.Date;
import java.util.List;
import java.util.Map;

import javax.servlet.http.HttpServletRequest;
import javax.validation.Valid;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Page;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springside.modules.web.Servlets;

import com.wits.platform.common.constants.ViewType;
import com.wits.platform.common.constants.WebConstants;
import com.wits.platform.common.utils.PageUtil;
import com.wits.platform.common.utils.StringUtil;
import com.wits.platform.web.controller.BaseController;
import com.wits.platform.web.mvc.PageParam;
import com.wits.qso.entity.Grade;
import com.wits.qso.service.GradeService;

@Controller
@RequestMapping(value = "qso/grade")
public class GradeController extends BaseController {

	/** 注入gradeService **/
	@Autowired
	private GradeService gradeService;

	@RequestMapping(value = "/toList")
	public String toList() {
		return "qso/grade/list";
	}

	/**
	 * 加载年级设定信息列表
	 * 
	 * @param model
	 * @param page
	 * @param req
	 * @return
	 */
	@RequestMapping(value = "/list")
	@ResponseBody
	public String list(Model model, @ModelAttribute("page") PageParam page,
			HttpServletRequest req) {
		Map<String, Object> searchParams = Servlets.getParametersStartingWith(
				req, "search_");
		Page<Grade> listPage = gradeService.findPage(Grade.class, searchParams,
				page);
		model.addAttribute("searchParams", Servlets
				.encodeParameterStringWithPrefix(searchParams, "search_"));
		return PageUtil.toAjaxPageResult(listPage.getTotalElements(),
				listPage.getContent());
	}

	/**
	 * 点击新增、修改、查看触发
	 * 
	 * @param model
	 * @param viewType
	 * @param id
	 * @return
	 */
	@RequestMapping(value = "/view/{viewType}")
	public String toView(Model model, @PathVariable String viewType,
			@RequestParam String gradeId) {
		if (ViewType.Add.getView().equals(viewType)) {
			model.addAttribute(WebConstants.COMMAND, new Grade());
		} else {
			model.addAttribute(WebConstants.COMMAND,
					gradeService.getOne(gradeId));
		}
		model.addAttribute("viewType", viewType);
		return "qso/grade/form";
	}

	/**
	 * 执行新增和修改操作
	 * 
	 * @param model
	 * @param command
	 * @param viewType
	 * @param result
	 * @param req
	 * @return
	 */
	@RequestMapping(value = "/save", method = { RequestMethod.POST })
	@ResponseBody
	public Object save(Model model,
			@ModelAttribute("command") @Valid Grade command,
			@RequestParam String viewType, BindingResult result,
			HttpServletRequest req) {
		if (result.hasErrors()) {
			model.addAttribute(WebConstants.COMMAND, command);
			return toView(model, viewType, command.getGradeId());
		}
		if (ViewType.Add.getView().equals(viewType)) {
			command.setDateCre(new Date());
			command.setUserCre(getCurrentUserId());
		} else {
			command.setDateUpd(new Date());
			command.setUserUpd(getCurrentUserId());
		}
		try {
			if(gradeService.isExitGradebyTitle(command.getGradeTitle())){
				return ajaxDoneError(this.getText("saveGrade.error"));
			}else{
				gradeService.save(command);
				return ajaxDoneSuccess(this.getText("save.success"));	
			}
		} catch (Exception e) {
			return ajaxDoneError(this.getText("save.failed"), e);
		}
	}

	@RequestMapping(value = "/delete")
	@ResponseBody
	public Object delete(String ids) {
		boolean hasSusscesed = false;
		boolean hasErrored = false;
		
		for(String id : Arrays.asList( StringUtil.split( ids, "," ) )) {
			try {
				gradeService.delete( id );
				hasSusscesed = true;
			} catch (Exception e) {
				hasErrored = true;
			}
		}
		
		if (hasSusscesed) {
			if (hasErrored) {
				return ajaxDoneError( "有些被引用的年级无法删除" );
			} else {
				return ajaxDoneSuccess(this.getText("delete.success"));
			}
		} else {
			return ajaxDoneError( "所选年级已经被引用，无法删除" );
		}
	}

	/**
	 * 唯一检查
	 * @param gradeId
	 * @param oldGradeId
	 * @return
	 */
	@RequestMapping(value = "/checkUniqueId")
	@ResponseBody
	public boolean checkUniqueId(@RequestParam("gradeId") String gradeId,
			@RequestParam("oldGradeId") String oldGradeId) {
		if (gradeId.equals(oldGradeId)) {
			return true;
		}
		Grade obj = gradeService.getOne(gradeId);
		return obj == null;
	}

}
